Home / 97,777.80-146,607.30-38,545.20

Finding the Fourth Proportional to 97,777.80, 146,607.30 and 38,545.20

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Solution

The fourth proportional to 97,777.80, 146,607.30 and 38,545.20 is: 57,794.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,777.80 : 146,607.30 = 38,545.20 : x
  2. Step 2: Convert to fraction form
    97,777.80/146,607.30 = 38,545.20/x
  3. Step 3: Cross multiply
    97,777.80x = 146,607.30 × 38,545.20
  4. Step 4: Simplify right side
    97,777.80x = 5,651,007,699.96
  5. Step 5: Solve for x
    x = 5,651,007,699.96/97,777.80
  6. Step 6: Final answer
    x = 57,794.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.